diff --git a/requirements.txt b/requirements.txt
index 5674ec3..2f59a48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 python==3.6.1
 matplotlib==2.0.2
-numpy==1.12.1
+numpy==1.22.0
 scipy==0.19.0
 pycairo==1.13.3